Global USE flags

Flag Description Packages
X 3
connman Add support for net-misc/connman 2
debug Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces 2
doc Documentation with Doxygen 5
gstreamer use gstreamer 1.0 support 2
nls Add Native Language Support (using gettext - GNU locale utilities) 10
pam PAM support 2
systemd use systemd support 3
test Build tests 2
wayland Enable Wayland 2

Category USE flags

dev-util

Flag Description Packages
static-libs 2

Local USE flags

dev-libs

efl

Flag Description
avif Add AV1 Image Format (AVIF) support
bmp Enable WBMP image loader
cpu_flags_arm_neon
dds Enable DDS image loader
drm Enable DRM engine
eet Enable Eet image loader
elogind
examples Compile examples
fbcon Enable support for the frame buffer in efl
fontconfig Enable support for fontconfig
fribidi Enable bidirectional text support
gif Enable GIF image loader
glib Enable <pkg>dev-libs/glib</pkg> support
harfbuzz Enable complex text shaping and layout support
heif Enable HEIF loader
hyphen Enable text hyphenation support
ibus Enable Intelligent Input Bus
ico Enable Ico image loader
jpeg2k Support for JPEG 2000, a wavelet-based image compression format
jpegxl Add JPEG XL image support
json Add support for json evas loader
mono
opengl
pdf Add general support for PDF
physics Enable Bullet physics effects and support
pmaps Enable PMAPS image loader
postscript Enable support for the PostScript language (often with ghostscript-gpl or libspectre)
psd Enable PSD image loader
pulseaudio pulseaudio support
raw Enable libraw library for image loader
scim Enable Smart Common Input Method
sdl Enable SDL support in EFL
sound
svg Add support for SVG (Scalable Vector Graphics)
tga Enable Tga image loader
tgv Enable Tgv image loader
tiff Enable TIFF image loader
tslib Enable <pkg>x11-libs/tslib</pkg> for touchscreen events
unwind
v4l Include Video4Linux v2 support in the build
vnc Enable vnc server
webp Enable WebP image loader
xcf Enable XCF image loader
xim Enable X Input Method
xpm Add support for XPM graphics format
xpresent Enable x11-libs/libXpresent support
zeroconf Add avahi/Zeroconf support

media-video

rage

Flag Description
vlc Enabling vlc engine
xine Enabling xine engine

x11-terms

terminology

Flag Description
extras Install additional testing tools

x11-wm

enlightenment

Flag Description
acpi
bluetooth
exif
geolocation Geolocation
mixer A module to provide a mixer for changing volume
policykit
udisks
xwayland Support for XWayland